Wednesday, 23 January 2013

AR11654: when groups collide!

Two views of a complex spot group - perhaps the result of a new group emerging directly below an older one. The result was a triple grouping of spots stretching over 21 degrees. Huge! Despite sunspot motion, the emergence of new flux and magnetic complexity there were no great flares, only a few to GOES M1.7. The dotted lines suggest magnetic configuration of the blended groups. Fascinating!

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